{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T13:02:09Z","timestamp":1777640529153,"version":"3.51.4"},"reference-count":24,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2025,3,3]],"date-time":"2025-03-03T00:00:00Z","timestamp":1740960000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Dental Education"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>The aim of this study was to assess the agreement in the management of periapical radiolucencies associated with root\u2010filled teeth among dental students using and without using a new web\u2010based clinical decision support system (CDSS) application (DentalHelp).<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>One hundred ten dental students from two universities were chosen to evaluate 10 cases of periapical radiolucencies associated with root\u2010filled teeth. Each case included the clinical signs and symptoms, clinical photographs, periapical radiographs, and a small\u2010volume cone beam computed tomography (CBCT) scan. Participants were asked to select one proposed management option and to assess the degree of difficulty in making this decision. Four weeks later, students entered case information into the DentalHelp web app. The app's algorithm then autonomously generated a suggested management option for each case. Cohen's unweighted Kappa index was calculated to estimate the level of concordance between each suggested management option for each case with and without using the app.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There was a significant change in the management choice by students when using the CDSS compared to when they did not use it (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05). A global Kappa index of 0.21 (95% CI: 0.17\u20130.25) indicated a weak general agreement. Cohen's Kappa index of 0.07 (95% CI: 0.02\u20130.11) demonstrated poor agreement between the level of difficulty of decision\u2010making with and without the app.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The DentalHelp web app was effective in assisting dental students with clinical decision\u2010making for periapical radiolucencies associated with root\u2010filled teeth.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jdd.13870","type":"journal-article","created":{"date-parts":[[2025,3,11]],"date-time":"2025-03-11T16:50:03Z","timestamp":1741711803000},"page":"1525-1533","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Web\u2010Based Decision Support System for Managing Periapical Radiolucencies in Root\u2010Filled Teeth: Development and Effectiveness With Undergraduates"],"prefix":"10.1002","volume":"89","author":[{"given":"Dalia","family":"Bottini","sequence":"first","affiliation":[{"name":"Department of Endodontics, Universitat International de Catalunya School of Dentistry, Sant Cugat del Valles  Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3500-3039","authenticated-orcid":false,"given":"Francesc","family":"Abella Sans","sequence":"additional","affiliation":[{"name":"Department of Endodontics, Universitat International de Catalunya School of Dentistry, Sant Cugat del Valles  Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jose Antonio Gonzalez","family":"Sanchez","sequence":"additional","affiliation":[{"name":"Department of Endodontics, Universitat International de Catalunya School of Dentistry, Sant Cugat del Valles  Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul V.","family":"Abbott","sequence":"additional","affiliation":[{"name":"UWA Dental School, The University of Western Australia  Perth Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marc","family":"Encinas","sequence":"additional","affiliation":[{"name":"Department of Endodontics, Universitat International de Catalunya School of Dentistry, Sant Cugat del Valles  Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sergio","family":"Irazusta","sequence":"additional","affiliation":[{"name":"Department of Endodontics, Universitat International de Catalunya School of Dentistry, Sant Cugat del Valles  Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cristina","family":"Rico","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry and Endodontics, Faculty of Health Sciences Universidad Alfonso X El Sabio  Madrid 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